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Industrial subdivision: instruments and metersMain products: mechanical sensors and instrument series are the main sources of income, accounting for 61.88% of the income and 41.39% of the gross profit margin.Performance forecast: ROE has continuously decreased to 21.66% in recent three years, and the latest forecast average is 17.93%.

The first huichuan technologyIndustrial subdivision: industrial control equipmentFifth double-ring drive

Main products: the driving system is the main source of income, accounting for 64.86% of the income and 32.20% of the gross profit margin.Profitability: ROE is 10.80%, gross profit margin is 34.37%, and net interest rate is 19.91%.Highlights of the company: Keli Sensing has cooperated with industrial robots and cooperative robot customers, and is currently sending samples to humanoid robot customers.